[R] ARMA and AR in R
ruipbarradas at sapo.pt
Thu Feb 28 17:10:06 CET 2013
This is a statistics question, not an R one.
If you want to fit an ARMA model, your time series can have any values,
zero, negative or positive. Please revise your knowledge of time series.
Hope this helps,
Em 28-02-2013 10:40, Nnina escreveu:
> I would like to compute ARMA and AR using arima-function in R.
> My question is: If I have Null=zero values in my data, what should I do?
> Remove ? or doesn't matter for ARIMA-models and I can estimate my
> coefficients including zero values in data in arima-function in R ? What
> is the better way? How to manage the data for ARIMA estimation?
> Thank you.
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> and provide commented, minimal, self-contained, reproducible code.
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